Recommend lawyers for guardianship in Tennessee

Do you have any recommendations for a lawyer, or other appropriate person, to establish a guardianship in Tennessee? A friend has a relative with an autistic teen, and the school suggested a guardianship be set up before the kid turns 18. I don’t have any more details. Or any ideas of my own. My autistic kid didn’t need that level of support, luckily. I want to help this parent, but I don’t know what to suggest. Feel free to DM me if you have ideas but don’t want to post.

Thanks in advance for your help. Mods, please move if I’m in the wrong forum.

Barring (heh, heh) a more personal recommendation, the Tennessee Bar Association has a referral service that can put you in touch with a prescreened lawyer who will offer a consultation for a small fee.