1In 10-inch skillet, cook bacon until crisp; drain on paper towels. Crumble bacon; set aside.
2Heat gas or charcoal grill. In medium bowl, mash bread and milk with fork until well mixed. Stir in chicken, cheese and bacon. Shape into 4 patties, 1/2 inch thick.
3Carefully brush oil on grill rack. Place patties on grill over medium heat. Cover grill; cook 9 to 12 minutes, turning once, until meat thermometer inserted in center of patties reads 165°F.
4Place burgers on bottom halves of buns. Top with lettuce and tomato. Cover with top halves of buns.