In small saucepan over medium heat, bring 2 cups water to boil. Add contents of yellow rice mix, tomatoes and 1 tbsp. oil; return water to boil. Reduce heat to low. Cook, covered, until water is absorbed and rice is tender, about 25 minutes.
Meanwhile, heat remaining oil in medium skillet over medium-high heat. Add bell peppers and onions to skillet and cook for 3 minutes, or until vegetables are soft. Add the chopped chicken and the beans, and season them with Adobo. Cook until heated through, about three minutes. Remove from heat.
In skillet with chicken and bean mixture, stir in cooked rice until combined. Mix in cheese, stirring until melted. Serve warm.