Skinny Bang Bang Shrimp

• -1 lb shrimp (about 50 shrimp), uncooked. shelled, and deveined.
• -10 skewer sticks (optional)
• -3 T plain greek yogurt
• -3 T chopped green onion, plus more for garnish
• -1½ T sweet Thai chili sauce 
• -½-3/4 T sriracha sauce

Combine yogurt, onion, sweet chili sauce, and sriracha in a bowl and stir well. Set aside. Grill shrimp a few minutes per side.  Brush each hot skewer liberally with the sauce, on both sides and then serve immediately