Heat a large nonstick skillet sprayed with cooking spray on medium heat.

Add chicken, cover and cook for 5-7 minutes on each side or until meat thermometer reads 165 degrees.

Remove from skillet and keep warm.

Add cream cheese, water, pesto and tomatoes to skillet. Cook for 2 minutes or until cream cheese is melted, stirring occasionally.

Return chicken and spoon sauce over chicken.

Remove from heat and sprinkle with five cheese blend. Cover to melt the cheese.