You guys are living the dream.
Check out the Pirelli MT43 rear tire. It's like an all terrain that you can air way down, gets amazing grip and wears even, not rounding off the knobs.
I know this may offend many, but IMO, the Dunlop 606 sucks. Hard as a rock, big, shallow knobs, doesn't hook up .
https://www.rockymountainatvmc.com/tires-and-wheels/pirelli-mt-43-pro-trials-tire-p