I have a three month old chick with a large squshy growth infront of her right wing. She is very tiny. About 1/4 of the size of the other chickens born on the same day. She only recently got her feathers but still has bare spots all over. She runs around ans seems "happy" and eats and drinks just like all the rest. Her behavior is no different but I am concerned about this growth and the safety of her egged if she ever lays them. Any thoughts?