Preheat oven to 350 degrees
Grill or cook the chicken breasts in 1 Tbsp. of olive oil until cooked through
Chop the chicken into bite-sized pieces
In a large skillet over med-high heat, add olive oil, and saute onions until they are tender and translucent (another optional add-in right here would be sliced bell peppers - cook along with the onions)
Add the chicken breasts & prepared rice mixture to the cooked vegetables
Cook until heated through
Spoon Mixture evenly into Tortillas, and roll tortilla Place rolled burritos into a 9x13 casserole dish
Cover burritos heavily with shredded cheese
Bake for about 20 minutes or until burritos are heated through and the cheese is melted & gooey
Sprinkle cilantro on top of burritos
Serve with bean salsa, any leftover rice, avocados, and sour cream