Place half the Tater Tots in bottom of 5-qt. slow cooker. In a large skillet, cook beef over medium-high heat until no longer pink, 5-6 minutes, breaking into crumbles. Drain. Stir in the next 8 ingredients; reduce heat and simmer 2-3 minutes. Place beef mixture in slow cooker; top with remaining Tater Tots. Cook, covered, on low 4 hours. Top with cheese. Sprinkle with paprika. Let stand, uncovered, 15 minutes before serving.