Inside out bacon cheeseburgers

We loved these hamburgers, they are a little more work than our normal burgers, but we loved them.
1 lb. ground beef
3 Tbsp. KRAFT Ranch Dressing, divided
4 slices OSCAR MAYER Bacon, cooked, crumbled
2 KRAFT Singles, cut into quarters
4 hamburger buns, split, lightly toasted
4 lettuce leaves
8 slices tomato
PREHEAT grill to medium heat. Mix meat and 2 Tbsp. of the dressing. Shape into 8 thin patties. Mix remaining 1 Tbsp. dressing and the bacon. Spoon about 1 Tbsp. of the bacon mixture onto center of each of 4 of the patties; top with 2 Singles quarters and second patty. Pinch edges of patties together to seal.
GRILL patties 7 to 9 min. on each side or until cooked through (160°F).
COVER bottom halves of buns with lettuce and burgers. Top with tomatoes and top halves of buns.