Coat a large nonstick skillet with cooking spray; place over medium-high heat until hot. Add chicken strips, and saute 3 to 5 minutes or until chicken is thoroughly heated. Remove chicken from skillet, and set aside.
Add water and tomatoes to skillet; bring to a boil. Stir in rice and corn; top with chicken strips and cheese. Cover, remove from heat, and let stand 5 minutes.