3-2-1 method.
Night before put seasonings top and bottom. Pulled them out an hour prior to the grill to warm up some. Mixed apple juice and mustard and brushed a light coat top and bottom. Seasoned a little more. In the Traeger @ 180 for three hours. Pulled them out, wrapped in foil with some brown sugar and apple juice, back in the Traeger for two more hours @ 225. Unwrapped, brushed a little BBQ sauce on top, and back on the grill for one more hour.
The beef ribs were great, just a little tougher than I'd like. The baby backs were fantastic and fall off the bone tender.