Jalapeno Cheeseburger

Spicy Ranch Sauce
1 cup mayonnaise
1 cup sour cream
1/2 cup chopped fresh cilantro
6 tablespoons fresh lime juice
4 green onions, finely chopped
2 tablespoons minced seeded jalapeño chile
1/2 teaspoon cayenne pepper

Burgers
2 pounds ground beef
1 small onion, chopped (about 1 1/4 cups)
1/4 cup chopped fresh parsley
2 tablespoons Worcestershire sauce
1 tablespoon chopped seeded jalapeño chile
1 teaspoon salt
1 teaspoon ground black pepper
1/4 teaspoon cayenne pepper

Worcestershire-Coffee Glaze
1/3 cup light corn syrup
2 tablespoons Worcestershire sauce
2 tablespoons ketchup
1 teaspoon instant coffee crystals
2 teaspoons (packed) golden brown sugar
3 tablespoons butter

16 bacon slices

Nonstick vegetable oil spray
8 hamburger buns or 3- to 4-inch square focaccia rolls, split horizontally
8 lettuce leaves
2 cups coarsely shredded sharp white cheddar cheese
Assorted additional toppings (such as tomato and grilled onion slices)