Adding thumb to Deere 225D LC

Trying to add a thumb to my new to me machine, figured it would be simple but proving not to be. It has aux hydraulics so i'm covered there, except trying to find a good place to find a diverter to split the flow so I can hardline the thumb, and still run twist/hoe pack etc. I have a twist bucket i'd like to use for demo and not use twist, but need it hooked up to keep pressure and not have bucket twist (I want the extra capacity over my clean up bucket). Anyways my problem is the thumb came...

Adding thumb to Deere 225D LC

Adding thumb to Deere 225D LC