Saute Onion In Oil For 10 Minutes. Add Sauerkraut And Saute For 5 Minutes. Add Pork And Saute Until Pork Is Well Browned About 15 Minutes. Add Salt, Pepper And Paprika. Saute For 5 Minutes. Add A Bit Of Water If It Starts To Stick. Remove From Heat, Allow To Cool Slightly And Stir In Sour Cream. Serve.