With only 3" lift use a 31" tire on your factory rims.
A lot of us do that EXACT thing and it is just fine.
What do you plan to do with the Jeep?
That should be your first concern. Is it mainly going to be a street everyday driver?
Or is it going to be an offroad only Jeep?
Adding tire size adds unsprung wheel weight, which affects your brakes, and everything else in the front end.
Once that happens, plan on doing more modifications to your front end, and lots more expense.
(Ristow) fram....that deserves a ratchet upside the head.