HEAT oven to 425ºF.
PLACE beets on foil-covered baking sheet. Bake 1 hour or until tender; cool slightly.
MEANWHILE, cook pepitas in skillet on medium heat 3 min. or until lightly browned, stirring frequently. Add sugar; cook on high heat 4 min. or until sugar melts and coats pepitas, stirring constantly with wooden spoon. Immediately spread onto baking sheet sprayed with cooking spray; separate lightly with fork. Cool completely.
BLEND dressing and half the pepitas in blender until smooth. Peel beets, then cut into 1/2-inch-wide wedges; place in large bowl. Add dressing mixture, remaining pepitas and all remaining ingredients; mix lightly.