MIX 1 lb. lean ground beef and 1 pkg. (35 g) taco seasoning mix; shape into 4 patties. Place on medium heat on barbecue. Grill 8-10 min. or until cooked through, turning once.
COMBINE 1/4 cup each salsa and Miracle Whip Dressing. Set aside.
PLACE burgers on buns; top with salsa mixture, Kraft Cheddar Shreds, lettuce and tomato slices.