Well, today I tried putting the hen back with the others and that did not work out. As soon as I put her down in the yard, the rooster came after her to mate. Of course the other hens ran after him and started pecking at her. Than two of the other hens started fighting each other. Of course the rooster wouldn't leave her alone so I caught him and was going to put him in the extra coop she just came out of to see if she would be accepted back by the other hens but after I got him in the other coop, I decided it wasn't a good idea because he has always sneezed since the day I got him and acts like he can't breath right a lot of times and since the chicks are in the coop in a dog crate, I didn't want to chance giving them something he might have although none of the other chickens has ever done the sneezing thing.
So right now the rooster is locked in the newer coop so I can see how the hens will interact with the picked on hen without the rooster there. I will probably have to put her back in the old coop or get rid of the rooster which I really don't want to do. He did try biting me the last time I caught him which wasn't good for him. What a mess. I don't understand how they can all live together for over two years and now all of a sudden they want to pick on one of them. This never happened to me the last time I raised chickens.
Wayne