Your pup needs to see a vet. Many possibilities come to mind. Swelling indicates that damage has been done and lack of pain response does not rule out a fracture.
She needs meds to take down the swelling and keep her comfortable. Holding a leg up and swelling almost certainly means pain.
__________________ Crystal  , Ellie May (RIP)  , Rylee Finnegan  , and Gracie Boo🐶 |