Boil water to cook noodles. Make the Italian dressing according to directions on package. Cut up cherry tomatoes into fourths, chop onion and set aside.Cut up chicken into bite sized pieces. Saute in pan until cooked through.Remove chicken from pan, add 1 pat of butter and cook onions and garlic until onions are transparent. Add tomatoes, stir for about 1 minutes then pour entire bottle of Italian Dressing into pan. Add chicken, stir until mixed together than turn off heat.Drain noodles and put back into pot, pour chicken mixture over the top and sprinkle with Parmesan Cheese.
