Grilled Chicken Quesadilla w/ Fresh Salsa

Name: Grilled Chicken Quesadilla with Fresh Salsa
Ingredients: 1 lb chicken breasts (boneless, skinless); 1/2 tsp onion powder; 1/2 tsp garlic powder; 1/4 tsp chili powder; salt (a pinch); pepper (to taste); 1 tbsp olive oil; 1 cup cheddar cheese (shredded); 4 tortillas (large sized); 8 tbsp salsa (option to use pico de gallo); cilantro (garnish)