COOK noodles in medium saucepan as directed on package.
MEANWHILE, cook chicken in medium nonstick skillet sprayed with cooking spray on medium-high heat 5 min. or until done, stirring occasionally. Add Neufchatel and milk; cook and stir 1 to 2 min. or until Neufchatel is melted and mixture is well blended. Add soup and peas; cook 5 min., stirring occasionally.
DRAIN noodles; return to saucepan. Add chicken mixture and half the shredded cheese; cook until cheese is melted and mixture is well blended. Sprinkle with remaining cheese.