Cook rice according to package directions. Set aside.
Heat large skillet over medium heat. Add olive oil and chicken. Sprinkle with 3 tablespoons taco seasoning. Cook chicken about 3-4 minutes per side, until browned and cooked through. Remove to separate plate.
In the same skillet, add green pepper and red pepper. Saute for about 4-5 minutes, or until tender. Add more olive oil if needed. Add corn, black beans, ro-tel tomatoes, and cilantro to skillet. Stir to combine.
Add prepared rice, chicken, and rest of taco seasoning. Stir to combine and let simmer 3-4 minutes, or until heated through. Remove from heat.
Spoon into bowls and top with sour cream and more cilantro.
Enjoy!