I got my baby in a 29 gallon high.. A couple hides. Warms spot,cool spot,humidity proper,plenty of vines and fake bushes and he's all good.
i think it don't matter if it's a baby in a 55 gallon,it's fine,as long as you have plenty of hides and bushes and vines and things for him to climb. They are wild animals and live outside and the world is a pretty big place,lol..point is make the tank set up properly and he will be fine,IMO