Craig,
Here is a satellite view of the Buttered Biscuit. You will need to copy and paste it to your browser. https://www.google.com/maps/@35.5257434,-82.9857275,72m/data=!3m1!1e3?hl=en
Doesn't look like they have enough parking space for an RV. However, there seems to be an abandoned parking lot just to the right of there. Plenty of room there.