Hawaiian BBQ Quesadillas with Pineapple-Mango Guacamole

Name: Hawaiian BBQ Quesadillas with Pineapple-Mango Guacamole
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Cuisine: Mexican
Ingredients: 1 pound boneless skinless chicken breast; 4 whole wheat flour tortillas (burrito size); 1/2 an onion; 1/3 whole fresh pineapple - peeled (cored, and sliced); 1/2 cup of [your favorite BBQ sauce | https://www.halfbakedharvest.com/homemade-barbecue-sauce-just-like-sweet-baby-rays/]; 2 tablespoons pineapple juice; 2 tablespoons lime juice; 2 tablespoons fresh cilantro (chopped); 1/4 teaspoon salt; 1/2 teaspoon pepper; 1 cup cooked white or brown rice; 1/2 cup pickled jalapeños (optional); 8 ounces sharp cheddar cheese; 2 avocados (peeled, pitted and mashed); 1/4 whole fresh pineapple - peeled (cored, and diced); 1/2 mango - peeled (seeded and diced); 1/2 cup grape tomatoes (diced); 3 green onions (chopped); 1 tablespoon fresh cilantro (chopped); 1 lime (juiced); 1 tablespoon pineapple juice; salt and pepper (taste)