Hello, and welcome to BYC. Hopefully there are no internal injuries. Birds tend to refeather rapidly if the temperatures are on the cold side. Provide adequate feed, additional protein, and a dry draft free coop. Good luck with her.
Hello and welcome to BYC, You found an Awesome poultry Forum to be a part of with many great knowledgeable members who are more then willing to jump in and help you with any questions you may have.