Crunchwrap Supreme (Copycat)

Name: Crunchwrap Supreme (Copycat)
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Cuisine: Mexican, American, Latin American
Ingredients: 1 pound lean ground beef; 1 small yellow onion (chopped); 2 Tablespoons taco seasoning; 1/4 cup water; 1 teaspoon minced garlic; 1 jar nacho cheese (or Queso cheese dip); 6 burrito-size flour tortillas; 6 tostada shells or corn tortillas; 1 cup sour cream; 2 cups shredded lettuce; 1 to mato (diced); 1 cup shredded Mexican cheese blend; cooking spray