Last night I ran the pork through the grinder attachment of a Kitchen Aid mixer. The long stips worked pretty well. There were definitely piece that grabbed and pulled themselves through. Next time, I think I will be able to cut more pieces that do this. Pretty neat trick.
It looked like it had at least 25% fat so I didn't add anymore. The milk powder got added and the paddle attachment went on the mixer for a quick mix. A bigger mixer would have made the job easier. For some reason, I wanted this type of Kitchen Aid 10 years ago (there's a hinge and the bowl is locked in place) instead of the larger one where the bowl moves up and down. Can't remember why though.