Heat oil in large nonstick skillet over medium heat and cook onion, stirring occasionally, 4 minutes or until almost tender. Add water and Knorr® Fiesta Sides™ - Spanish Rice and bring to a boil over high heat. Reduce heat and simmer covered 5 minutes. Stir in green peas and carrots and continue cooking 2 minutes until rice is tender.
Just before serving, stir in chicken and olives.