Creamy Blue Cheese Dressing

Name: Creamy Blue Cheese Dressing
Yield: about 1 2/3 cups
Ingredients: ¾ cup commercial sour cream; 3 tablespoons mayonnaise; 1 tablespoon lemon juice; ¾ teaspoon Worcestershire sauce; Tops of 3 green onions, chopped; 6 ounces blue cheese, crumbled; Additional chopped green onion (optional)