It can possibly work. Every rooster is different. I would let it play out and make that decision if and when it's needed. I've had some roosters that like their two or three hens and they liked him and did fine. A few worn feathers if it happens don't hurt anyone.
You are going to have lots of...
That depends on whether his behavior is bothering you or is disruptive to the flock, he can stay with the hens and still be fine, I remove them mostly because it bothers me.
I have had most of my roosters turn into gentlemen roosters. The key is to manage them as they mature. Young roosters have surging hormones that makes them a bit obnoxious, and they become focused only on mating and not all the good rooster behaviors.
I have a pen within my shed where roosters...