Prepare Knorr® Rice Sides™ - Buffalo Chicken according to package directions.
Meanwhile, heat oil in 12-inch nonstick skillet over medium-high heat and cook peppers with onion, stirring frequently, until vegetables are tender, about 6 minutes. Stir in lime juice and cook 1 minute.
Toss hot chicken with cayenne pepper sauce. Evenly divide rice, vegetables and chicken onto tortillas and fold taco-style. Serve, if desired, with your favorite taco toppings.