Hi Adrienne, welcome to planDisney!
I like how you think - pack in as much magic as possible! You have discovered a great benefit to staying on property and upgrading your ticket to include the
Park Hopper Option.
Yes, at 7:00 a.m., you can absolutely request to join a
Virtual Queue for
TRON Lightcycle / Run and reserve a lightning lane for
Space Mountain and purchase an Individual Lightning Lane for an attraction at a different park that you will be hopping to later in the day. To take this a step further, you are allowed to purchase up to two
Individual Lightning Lane attractions per day if your budget allows.
Since you are staying on Walt Disney World property, I'd also like to recommend you take advantage of
Early Theme Park Entry to maximize your time further. The
Hours and Events Calendar includes Early Entry times. I would suggest arriving at the park at least 30 minutes prior to the posted Early Entry time. Oftentimes you will be allowed into the park early to walk to a certain point in the park to wait for it to officially open. This is referred to as "rope drop" as cast members will be standing by a rope waiting for the official opening time of the park to let you in. This is a great time to enjoy an attraction or two prior to the park opening to the general public.
Lastly, I see you will be visiting when
Mickey's Not-So-Scary Halloween Party is underway. If you plan on attending and you haven't purchased your tickets yet, I would suggest you do so as I'm noticing parties are selling out quickly.
I hope you find this information helpful, Adrienne! Please stop by planDisney again if there is anything further we can assist you with.
Diane