Cook spinach according to package directions. Drain well, squeezing and pressing spinach to remove most of the moisture. Place spinach in 1 ½-quart microwave-safe dish. Chop artichoke hearts; add to spinach along with cream cheese cubes. Microwave on high 1 minute; stir well to combine.
Stir in Dean’s Cheddar Cheese Dip. Microwave on high at 30-second intervals, stirring after each, until ingredients are blended and warmed through. Serve immediately with choice of dippers.