1Heat gas or charcoal grill for indirect cooking as directed by manufacturer.
2Meanwhile, in large bowl, mix all ingredients except bacon. On work surface, pat mixture into 7-inch square. Cut into 4 (3 1/2-inch) squares. Top each square with 2 half-slices bacon; attach with toothpicks.
3Carefully spray grill rack with cooking spray. Place patties on unheated side of two-burner gas grill or over drip pan on charcoal grill (medium heat). (If using one-burner gas grill, cook over low heat.) Cover grill; cook 20 to 25 minutes or until slightly pink in center.
4Using spatula, turn patties over. Cover grill; cook 5 to 8 minutes longer or until meat thermometer inserted in center of patties reads 160°F and bacon is crisp. Remove toothpicks before serving.