PLACE potatoes in microwaveable dish. Add water; cover with lid. Microwave on HIGH 7 min. or until potatoes are tender. Meanwhile, heat oil in large saucepan on medium-high heat. Add chicken; cook 7 min. or until evenly browned, stirring occasionally.
ADD potatoes, soup, dressing and frozen vegetables to saucepan. Bring to boil; cover. Simmer on medium-low heat 3 min. or until chicken is done and vegetables are heated through.
STIR in cream cheese; cook 3 min. or until melted, stirring occasionally.
serving size = 1-1/2 cups (375 mL)