Spaghetti with Zesty Bolognese

SPAGHETTI WITH ZESTY BOLOGNESE
1 small onion, chopped
1/4 cup zesty Italian dressing
1 lb. extra lean ground beef
1 can (15 oz.) tomato sauce
1 can (14 oz.) diced tomatoes, undrained
2 Tbsp. Neufchatel Cheese
12 oz. spaghetti, uncooked
1/4 cup grated Parmesan cheese

Cook onions in dressing in large skillet on medium heat. Increase heat to medium-high. Add meat; cook, stirring frequently, until browned. Stir in tomato sauce and tomatoes. Bring to boil. Reduce heat to medium-low; simmer 15 min. Remove from heat. Stir in Neufchatel cheese until well blended. Meanwhile, cook pasta as directed on package. Spoon sauce over pasta. Sprinkle with Parmesan cheese. Makes 6 servings.