A 9-year-old Appleton girl is preparing weekly arthritis injections instead of preparing for summer break and she's on a mission to help find a cure.Tesslyn Stickney was diagnosed with arthritis, cataracts, and glaucoma at age 2. She joined five teammates, all living with arthritis, at the mile-long Walk to Cure Arthritis in Appleton, Wisconsin. The event raises money to fund research and search for a cure.WATCH THE FULL BROADCAST STORY HERE: Ap…