In a small bowl, mix together mayonnaise, Greek yogurt, garlic, onion powder, and Mrs. Dash Garlic & Herb seasoning.
Using a basting brush, generously coat chicken with the mayo/yogurt mixture. Sprinkle chicken with salt.
Spray cooking sheet with cooking spray. Place chicken on the cooking sheet. Bake in the oven 45-50 minutes, or until fully cooked and lightly browned, flipping the chicken half way through.