On property? Some of the food courts at the resorts have a minimal amount of Chinese. Kona Cafe has Polynesian style food, including noodles, which might do in a pinch. Yak and Yeti has "asian" food similar to PF Chang.
If you have a car, I would suggest driving to State Route 50 (Colonial Drive), head east once you get off I-4. Look for Chan's on your left hand side for some authentic Chinese Food.