My daughter has an appointment at BBB at 8:15 at Cinderella's castle on Sept. 11. The park opens at 9. Would you use a fastpass for the 7DMT or would you just go to that ride first from the castle? Would you save it and use it for a different ride that morning like Peter Pan or meeting Anna and Elsa or even Splash Mountain? Thank you for any tips you can all give me!