Brown ground beef w/bacon & onions in large skillet on medium-high heat; drain/
Return meat mixture to skillet. And VELVEETA; cook 5 min. or until melted, stirring frequently. Cool 10 min.
Unroll dough onto baking sheet sprayed with cooking spray. Press into 15x8-inch rectangle; top with meat mixture. Roll up, starting at one long side. Rearrange if necessary so roll is seam-side down.