Cajun Shrimp Fried Rice

INGREDIENTS:
3 cups leftover brown or white rice cooked
1 lb large shrimp, peeled and deveined
1/2 tsp each of chili powder, paprika and garlic powder
1/8 tsp cayenne pepper, or more to taste
1/4 tsp kosher salt
fresh black pepper, to taste
2 large egg whites, beaten
1 large whole egg, beaten
1/2 medium onion, chopped.