Heat oven to 375°F. Spray cookie sheet with cooking spray
In 2-quart saucepan, cook taco seasoning mix, water, 1/2 cup of the salsa and the cooked beef until thickened
Separate dough into 8 biscuits. Press each biscuit to form 6-inch round. Spoon 1/3 cup beef mixture and 1 tablespoon of the cheese onto center of each round. Fold dough in half over filling; press to seal. Place on cookie sheet
Bake 9 to 14 minutes or until golden brown. Serve with sour cream and remaining salsa and cheese.