I have a P-3AT, P-11, and PF-9. The triggers all pinch the bottom of my trigger finger to varying degrees b/c the triggers have too much curve. Never been pinched at the top of the finger between the trigger and grip when letting the trigger go forward, but I can see the potential for trouble there.
I'd try this. Remove the frame from the grip, then use a small file or some sandpaper to round the front edge of the trigger opening in the grip. You could even lengthen the opening a bit because the front trigger stop is in the frame, not the grip.
BTW, fixed the bottom finger pinching by heating the triggers and straightening them.
Love KT pistols; like my old VW Bug, they're a tinkerer's delight.