Yes, we've used the DDP (1 TS) for breakfast and dinner at 1900 Park Fare. The food at breakfast was wonderful and the characters were great. The food at dinner was okay, but my 3 yr old daughter loves Cinderella, so this was a better deal with DDP than Cinderella's Royal Table (1 TS vs. 2 TS).
It wasn't too long for us when we stayed at POFQ. We went to MK that day and then rode the monorail over to the GF. When we were done eating, we go back on the monorail to MK. Got off and found our bus to POFQ.