In A Skillet, Cook Beef, Onion, Salt And Pepper Over Medium Heat Until Meat Is No Longer Pink; Drain And Cool. Place Two Biscuits Over-Lapping On A Floured Surface; Roll Out Into A 5-In. Oval. Place 3 Tablespoons Meat Mixture On One Side. Fold A Cheese Slice To Fit Over Meat Mixture. Fold Dough Over Filling; Press Edges With A Fork To Seal. Repeat With Remaining Biscuits, Meat Mixture And Cheese. Place On A Greased Baking Sheet. Prick Tops With A Fork. Bake At 400 Degrees F For 10 Minutes Or Until Golden Brown.