Unroll Dough On A Greased Baking Sheet. Place Ham Over Dough To Within 1/2 In. Of Edges; Sprinkle Evenly With Onions, Bacon And Cheese. Roll Up Jelly-Roll Style, Starting With A Long Side. Pinch Seams To Seal And Tuck Ends Under. Place Seam Side Down On Baking Sheet. With A Sharp Knife, Cut Several 1/4-In.-Deep Slits On Top Of Loaf. Bake At 350 Degrees F For 26-30 Minutes Or Until Golden Brown. Cool Slightly Before Slicing. Serve Warm.