Red Robin Campfire Sauce

3/4 cup mayonnaise
1/2 cup buttermilk
1/2 cup barbecue sauce
2 tablespoons ranch dressing mix
Kosher salt and pepper to taste

In a small bowl, whisk together the mayonnaise, buttermilk, barbecue sauce, ranch powder, salt, and pepper.
Serve with French fries, onion rings, or on burgers.