Be aware that if you take the monorail over after Wishes is done, you will join the big rush to the buses - packed buses with half the load standing for each trip.
The bus to DTD and walk to SS is the gentlest option unless you have small kids in tow at that late hour. The walk could be 1/4 mile, or, if your room is at the far north side of SS then the walk is close to a mile (walk along the road and go in by the car gate, not along the lake).
If a long walk is not desired, then- walk to the closest bus stop, Congress Park (again, along the road by the car gate), and take one of the internal buses that goes back toward your stop (ask drivers who is going back toward your stop).
Finally, there is always the option to spend $20 and take a cab... fast, direct, convenient, worth it sometimes!