Just called our TA to pay off our September trip today

. Soo excited!
Do we need to request a pack and play in advance or are they already in the rooms/do we request it when we get there? We're in a standard room (not DVC) if that makes a difference.
Also, how big are the fridges? My mom is coming out and DD and I are staying at POFQ for 2 nights before the family Poly stay - we're planning a grocery run, but I want to make sure I don't overestimate fridge space - can I fit a full gallon of milk or a half gallon in there?