One of our chickens was seconds away from being eaten by our dog. The chicken was on her back and I threw a boot at the dog and scared him off. The chicken jumped off and scooted away. As far as I can tell the chicken was not hurt just scared good. Since then the chicken will not hang out with the other chickens. I found her deep in some brush hiding out. I picked her up and took her to the coop. She hasnt left the coop for a couple days now. Whats up? What can I do to get her back to waddling around with the others?