Use 1 cup Miracle Whip; add 2 tablespoons sweet pickle relish.

OR:
1/2 c. Miracle Whip
1 tbsp. sweet pickle
1 tbsp. green olive, chopped
1 tbsp. lemon juice
1/4 tsp. Worcestershire sauce
1/2 tsp. onion, grated

Combine enough just to mix. Store well in refrigerator.