Quick and Easy Mixes will now be at the park full time. You can find them on the porch of the Caribou Pottery in New France. I highly recommend that you go and check them out- the dips taste amazing and you get free samples.
I don't remember prices exactly. But they seemed to be a bit more than what you would buy in a supermarket, but with many, many more flavors to choose from.
I'm posting this for myself and anybody else who might go shopping for sour cream and forget how much you need. One packets needs two cups of Sour Cream.