Welcome to CC.
The vast majority of RCI's profit comes from on board sales (hence to the ton of marketing emails) - you don't need any of them to have a wonderful cruise - you have already contributed to RCI's profit with your suite.
If you have set dining, the app, set to the current sailing, should list that. On Liberty, some reported getting 5:30PM for early seating which later changed to 5:00PM. Assume 5:00PM with no other changes for the rest of her time in NJ.