Heat oven to 400°F. Lightly spray large cookie sheet with CRISCO® Original No-Stick Cooking Spray. Unroll pizza crust dough on cookie sheet; press dough into 15x12-inch rectangle. Bake 8 to 10 minutes or until light golden brown.
In small microwavable bowl, microwave cream cheese and blue cheese uncovered on High about 30 seconds or until melted. Stir until well mixed. Spread mixture over partially baked crust. Sprinkle with mozzarella cheese; top with prosciutto.
In small microwavable bowl, microwave preserves uncovered on High about 30 seconds. Stir until smooth; drizzle over pizza.
Bake 8 to 12 minutes longer or until crust is golden brown and preserves in center of pizza start to bubble.