Barbecue Pulled Pork Garbage Bread

Name: Barbecue Pulled Pork Garbage Bread
Ingredients: All-purpose flour, for dusting; 1 1/2 pounds store-bought pizza dough (see Cook's Note); 4 cups grated sharp Cheddar; 3 cups packed leftover pulled pork (about 1 3/4 pounds); 2 cups Barbecue Sauce, recipe follows, or store-bought; 1 large egg, beaten, for egg wash; Dill pickles and coleslaw, for serving; 1 1/3 cups ketchup; 2/3 cup packed light brown sugar; 1/2 cup whiskey or bourbon; 2 tablespoons chili powder; 2 tablespoons dry mustard powder; 2 tablespoons onion powder; 2 tablespoons distilled white vinegar; 2 tablespoons Worcestershire sauce; 4 teaspoons garlic powder; 1 teaspoon ground coriander; 1/2 teaspoon cayenne pepper; Kosher salt and freshly ground black pepper