Velvetta Spicy Cheeseburger Dip

1 lb. (16 oz.) VELVEETA Pasteurized Prepared Cheese Product, cut up  
1 can (10 oz.) RO*TEL Diced Tomatoes & Green Chilies, undrained  
1 cup KRAFT Shredded Low-Moisture Part-Skim Mozzarella Cheese  
1/2 lb. ground beef, cooked, drained  
1/2 cup sliced green onions  
 
Mix all ingredients except onions in large microwaveable bowl.  
Microwave on HIGH 5 min. or until VELVEETA is completely melted, stirring after 3 min. Stir in onions.  
Serve with Wheat thins crackers or your favorite kind of crackers.