I've found that a straw bales with one tie cut keeps the flock busy anywhere from all day to all week depending on numbers and the quality of the baler that compressed it. :)
As long as you get a second feeder and waterer and can put it out of sight of the existing ones it should be ok.
Some people bring the feeder in at night, others don't. It's a personal and situational thing. :)
Since your setup has several sections perhaps you could put a feeder and a waterer in each section.
This is the shelter DH made for my run: https://www.backyardchickens.com/articles/an-outdoor-shelter-for-the-feeder-and-waterer.76487/
When you have social/behavioral problems it's good to have multiple feed and water stations with visual blocks between them. That way the bully hens can't prevent the victims from eating.
Layer feed has minimal protein. Try switching to an all-flock feed with 18 or, preferably since you have a...
Welcome to BYC. Where, in general, are you? Climate matters for many things.
What are the actual dimensions of the coop and run?
The Usual Guidelines
For each adult, standard-sized hen you need:
4 square feet in the coop (.37 square meters)
10 square feet in the run (.93 square meters),
1...