1 lb. ground sirloin
1 pkg. (1-1/4 oz.) Taco Seasoning Mix
1/4 cup Chive & Onion Cream Cheese Spread
1/3 cup Shredded Cheddar Cheese
4 hamburger buns, split, lightly toasted
1/2 cup Thick 'N Chunky Medium Salsa
8 slices ripe avocado

PREHEAT grill to medium heat. Mix meat and seasoning mix. Shape into 8 thin patties. Mix cream cheese spread and shredded cheese. Spoon about 2 Tbsp. of the cheese mixture onto center of each of 4 of the patties; top with 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 burgers. Top with salsa, avocado and top halves of buns.