If you are parking at TTC and taking the monorail to GF, I'd allow an hour from the time you leave your room until the time you check in for your reservation. It's probably more time than you need, but you never know.
The Uber/Lyft option...I'd allow 30 minutes from the time you request a ride until you check in for your reservation. After your meal you can take the monorail from GF to MK.