She must have fell and injured herself it doesn't sound critical so it should be healed in the next few days. Just make sure she keeps getting her food and water and doesn't get to stressed. Keep me updated! I have some eggs in the incubator right now and are due to hatch on May 5th!
Would you be able to take a photo of Citers feet. That could help a bit. Also if you didn't know the breed of chicken you have looks like silver laced Wyandotte!