Returning to Stowe, Vt., are Amanda Batula, Jason Cameron, Craig Conover, Kyle Cooke, Paige DeSorbo, Luke Gulbranson, Austen Kroll and Ciara Miller.   Joining this season are new friends Rachel Clark, Kory Keefer and Jessica Stocker.  Special appearances from Lindsay Hubbard and Carl Radke from “Summer House,” and Tom Sandoval and Tom Schwartz from Vanderpump Rules.