Good idea. Keeping her in the dog crate for a couple of weeks until she is fully recovered in sight of the other birds is a good way if introducing her back into the flock. Chickens will peck at anything red, so make sure the wounds have sealed over. If possible, after a couple of weeks, free range her with your other chickens. Watch them and monitor for the other birds behaviour towards her. If there is no trouble, she should be ready to be released back into the flock. If there is a bad reaction to her, she may need some more time in sight of your other chickens. A cluttered run is epically important with reintroduction of birds, as well as helping the individuals on bottom of the pecking order. Essentially, it is breaking the birds line of sight through a certain area by providing objects to run around, over and under. Hope all goes well.