OK, take a step back. Way back. That fish you made? The heat was way too high. Keep your heat no higher than medium until you learn more about cooking. If you do to your chicken what you did to your fish, you’ll end up with charcoal encrusted raw chicken.
Next step: take your time. Bone-in chicken does not cook quickly and remain edible. Expect to take at least an hour to make this dish, from beginning to end.
So the morning you want to make the chicken, put it in a Ziplock bag and cover it with milk. Add just a splash of vinegrette. Shake. Let it sit in that all day. (You’ve just made “sour milk”, which is a pretty decent substitute for buttermilk, and it will help to keep the chicken moist and juicy when you cook it.
Okay, so when you’re ready to cook, put a handful of flour in a shallow bowl. Add about half a teaspoon of salt and 1/4 tsp pepper. Add 1/2 tsp of paprika, since you like it and it will give a pretty color. 1/4 tsp of garlic powder would be nice, too. Now use a fork and mix it all up so you can’t see blotches of spices anymore.
Pull the chicken out of the milk and let it drain of the excess. Put the milk soaked chicken into the flour/spice mixture and sort of toss the flour over it to coat it on all the sides. Do this with all your pieces before you get your pan ready. They’ll benefit from sitting a bit while your oil heats up, and you won’t go crazy trying to juggle two things at once.
Put your pan on the burner. You want a pan big enough so that there’s at least an inch of room around each piece of chicken when you get them in there. A 12 inch skillet is perfect for 2 legs. Pick the heaviest pan you have that’s the right size - cast iron is perfect, if you have it. Put in enough oil to cover the bottom of the pan about 1/8 of an inch. Turn your heat on low. Not high. Low. Yes, I mean it. You CANNOT hurry this up by heating your oil on high and then turning the burner down, not at your skill level.
In a few minutes, the oil will start to look shimmery. Turn on your water faucet and swipe your hand under the running water. A few drops of water will cling to your fingers. Shake your hand, holding it at least a foot over the pan. Did the water go “sizzle sizzle sizzle” as soon as it hit the oil? Then it’s hot enough. If it didn’t sizzle, you need to heat the oil a bit longer. (Or you can use a candy thermometer to check the temperature of the oil. You want it to be at 325 degrees.)
Using tongs if you have 'em, place your floured chicken, skin side down, in the hot oil. Then DON’T MOVE IT! Leave it there for about 10 minutes. If you move it sooner, it’s likely to stick and pull the skin off. After 10 minutes, use a pair of tongs to gently pick it up and peak under. It should be golden brown. Carefully flip it over and cook it another 10-12 minutes on the other side.
Do you have a meat thermometer? If so, stick it in the meatiest part of the thigh. It should read 180. If you don’t have a thermometer, you’ll have to cut into it to make sure there’s no pink left.
After dinner, check out this link, and see how all this is explained in recipe-speak. Read more recipes and you’ll start to understand the jargon, and then you’ll be able to make more stuff!