Yorkies are prone to LP (luxating patella), so I'd get your kiddo checked out at the vet - you want to get the LP graded if he has it. Also, check the paw thoroughly.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |