There was absolutely no way I was spending an additional $60+ for a drip tray, so DIY mode continued (finishing a custom tap handle too).
Took a trip to my local big box hardware store (the blue one, not the orange one) and picked up the following:
4" Green Round Grate - $2.08
4" White PVC S&D Cap - $2.43
Gave it a spritz with some "stainless steel" paint and clear coat I had left over and...