Preheat grill to medium-high heat. Make drainage holes in a sheet of Reynolds Wrap(R) Non-Stick Foil with a grilling fork; set aside.
Combine ground beef, 1 cup salsa, 1/2 cup tortilla chips, 1/2 cup green onions, garlic salt and chili powder in large bowl until well blended. Shape beef mixture into 8 burgers, 4 inches in diameter and 1/2inch thick.
Place foil sheet on grill grate with nonstick (dull) side facing up. Immediately place burgers on foil.
Grill burgers uncovered, 5 minutes each side or until no longer pink in center. Grill or lightly toast hamburger buns. Top burgers with 1 slice cheese before removing from grill let melt. Place burgers on buns. Top with remaining salsa, tortilla chips and green onions.