Combine 1 cup pineapple chunks, 1/2 cup cucumber, 1/2 cup bell pepper and 1/3 cup onion in medium bowl; set aside
Combine pineapple juice, Italian dressing, sweetener, cilantro, chilies and remaining pineapple chunks, cucumber, bell pepper, and onion in blender or food processor. Cover; blend until smooth. Stir into reserved pineapple mixture.
Cover and refrigerate 2 hours or until chilled. Serve.
*May substitute with 1 can (20 oz.) DOLE Pineapple chunks, drained, divided.