Thanks for looking, the WJ booster ended up having a vacuum leak and the hard lines I fabbed up looked like A$$, so I scrapped the whole swap.
What I'm currently running is a 2000 XJ reman booster, new master cylinder, used proportioning valve, proportioning valve hard lines and the left front hard line. The right front and the rear hard lines are stock MJ. I replaced the XJ proportioning valve plunger with one from a ZJ (I'm running rear discs). I also removed the rear load sensing valve and one of its hard lines. I used the valves return line as the new rear line.
That said, If your valve is working properly it's safer to leave it in place and use the stock proportioning valve. My valve didn't work properly and most here don't recommend removing it unless there is an issue.