Tortellini Antipasto Salad

Ingredients

• 1 env. GOOD SEASONS Italian Dressing Mix, prepared using less-oil directions
• 1/2 cup FILIPPO BERIO Olive Oil
• 1/4 cup HEINZ Distilled White Vinegar
• 3 Tbsp. water
• 2 pkg. (9 oz. each) refrigerated cheese tortellini, cooked, drained and rinsed
• 1 small red onion, finely chopped
• 1 pkg. (8 oz.) KRAFT Mozzarella Cheese, cubed
• 1 large green pepper, chopped
• 2 cups cherry tomatoes, halved
• 1 can (2.25 oz.) sliced black olives, drained