You can't go wrong with more space. There will STILL be the Charles Manson in the flock from time to time. When I get one that is a perpetual problem (cannibalistic) I send them to camp before they get a cult following
I have major issues every time I move chicks 5 to 6 weeks into the general population. Not only do I have the chicken pecking order I also have turkeys with them. The Turkeys are the ones in charge and they make sure ALL new arrivals no it.
Chickens have a pecking order. They have to work out there dominance issues. Once they see blood they loose their minds. I use purple cut spray on bare spots then smear Vaseline on em. They get a beak full of that,they normally behave