Thank you! My Google-Fu totally failed me, and I was worried I had hallucinated reading the same PKD story as the guy who wrote that blog who also couldn't remember the name, or maybe we came from the same parallel alternate universes! (Kinda like Faith Of Our Fathers, where there actually were several different parallel universes, but the government put hallucinogens in the water to make everybody think they were living in the same reality.)

https://en.wikipedia.org/wiki/Faith_of_Our_Fathers_(short_st...