Chicken Fajita Burrito Bowls

Name: Chicken Fajita Burrito Bowls
Ingredients: 1 red bell pepper; 1 orange or yellow bell pepper; 1/2 large onion; 2 tsp garlic powder; 1 tsp mild chili powder; 1 tsp paprika; 1/2 tsp ground cumin; 1 tsp kosher salt; 1 Tbsp olive oil; 1 pound ground chicken or turkey; 4 cups cooked white or brown rice (I use a bag of frozen rice reheated in the microwave); 1 ripe avocado (cut into quarters and sliced); 1 cup fresh salsa or diced tomatoes; 1/4 cup fresh cilantro leaves (optional); 1/4 cup plain Greek yogurt or sour cream; any additional toppings you like, such as sliced olives, hot sauce, chopped onion/scallions...