In large mixing bowl, dissolve ... Add cream cheese, salad dressing, horseradish, and salt. Beat ... thickened. Fold in cucumber and onion. Turn into 6-cup mold ... servings; it's very rich.
Pour 1 cup boiling water ... set. Add grated cucumber and onion; beat until light and fluffy. Add 1/2 cup mayonnaise and 1/2 cup sour cream. Mix well; refrigerate until completely set.
Ingredients: 6 (cream .. jello .. mayonnaise .. salt ...)