Heat oven to 325. Lightly spray a cookie sheet w/ cooking spray. In lg skillet over med-high heat, cook ground turkey and onion until turkey is browned.
Stir in beans, tomato sauce and taco seasoning. Simmer 5 mins, stirring occasionally. Separate dough into 5 biscuits. Press each biscuit into a 5" round disc.
Spoon 1/2 the turkey mix onto center of each biscuit. Sprinkle cheese evenly over each biscuit. Fold 1/2 the biscuit over filling, pressing edges w/ fork to seal. Place biscuits on cookie sheet. Bake 12-15 mins or until golden brown. Top w/ salsa, sour cream and garnish w/ green onions.