If she can walk at all then its not broken bones , perhaps just bruised, needs rest (like you are doing ) maybe a spray of vetericyn and/or a dab of antibitotic ointment (not the pain relief kind)
so does that rooster always attack you?
poor sweetie. waiting for pictures. idk if people soak chickens feet and legs in warm epsom salt water like we do with ducks but it might be a good idea. First do what @nuthatched said.