I had to read that a couple of times. It sounds like they put government back into private-sector hands - where it should be, but I think the writer is saying that the dairy business is what was put back into private-sector hands.
It's a shame DC isn't being cleaned up right now instead of the 24/7, next couple of generations train wreck that's actually happening.
The "writer" is Sarah Palin. This sentence, like the entire list of accomplishments, is taken verbatim from Palin's exit speech, FWIW. There seems to be some confusion about this.