For the Dressing:
6 tablespoons mayonnaise
3 tablespoons ketchup
1 tablespoon sweet pickle relish
2 teaspoons drained capers, chopped
For the Burgers:
1 1/2 pounds 80% lean ground beef
1/2 teaspoon salt
1/4 teaspoon ground black pepper
4 slices American or cheddar cheese
4 beefsteak tomato slices, about 1/4-inch thick
4 thin Vidalia or other sweet onion slices
6 slices cooked bacon
12 bread and butter pickle chips