Newly hatched chick with slipped tendon
It could be from the manipulation. Leg bone deformities are fairly common, and they can get worse with growing. Sometimes splinting can be done, but you will probably have to wait and see how she gets along. She may always have a gimpy leg, but you can try to let her get along with some extra help. It always helps to try some poultry vitamins with minerals in case that helps.