Between the legal aspects and your son's medical services, sounds like a move isn't in the cards - just thought getting back closer to family and friends might be beneficial for you.
Sounds like the two of you need to work on conflict resolution. IF your H wants to recommit to the marriage and you decide to do MC, that might be a good starting point.
Me:39 Ex-W:37 M:7 T: 9 S:6 D:3 BD/IHS/Confirm EA/PA: Feb '20 OM1 affair ends: May '20 W/OM2 & moves out: June-July '20 W files for D: Jul20 OM2 confirmed: 9/2020 Divorced: May '21