French Bistro Chicken & Potato Salad

1 lb. red new potato es, cooked, cooled and quartered

1 lb. boneless skinless chicken breast s, cooked, cooled and cubed

1/4 lb. fresh green beans , trimmed, cooked, cooled and cut into 1-inch lengths

3/4 cup plain nonfat Greek-style yogurt

1/4 cup KRAFT Real Mayo Mayonnaise

2 Tbsp. GREY POUPON Dijon Mustard

2 Tbsp. finely chopped onion s

1 Tbsp. chopped Italian parsley

1 Tbsp. white balsamic vinegar

1 tsp. chopped fresh thyme

1/4 tsp. freshly ground black pepper

What You Need