In a small bowl, mix cornstarch and water until smooth., Coat a large skillet with cooking spray; heat over medium-high heat. Add chicken; sprinkle with jerk seasoning. Stir-fry 3-5 minutes or until no longer pink. Stir cornstarch mixture and add to pan. Add fruit. Bring to a boil; cook and stir 1-2 minutes or until sauce is thickened., Meanwhile, heat rice according to package directions. Serve with chicken.