Rylee Arnold was destined to become a Dancing With the Stars professional dancer. Having been on the cast for four years now, she’s learned a lot about herself. Rylee’s older sister, Lindsay Arnold, appeared on DWTS as a pro for 11 seasons, winning season 25 with Jordan Fisher in 2017. One year later, Rylee joined the show’s family alongside her sibling on Dancing With the Stars: Juniors, the spinoff that spotlighted younger stars and dancers. Rylee became the first Juniors alum to join the main cast in 2023 for season 32, at a mere 18 years old, also making her the youngest pro ever cast. She tells The Hollywood Reporter she graduated…