If you need a cheap and easy solution for a faucet look at Electric Drinking Water Bottle Pump Dispenser on amazon. Has its own battery. Pumps 15 to 20 gallons per charge. Recharge with your micro usb phone charger. Cut a hole in the counter top. Secure it in place with silicone. Run the feed tube down to a water jug somewhere out of the way. Its awesome and they go for $15 or so on amazon.

https://www.amazon.com/gp/product/B07FDC2VL6

Link to pics of my setup: https://imgur.com/a/zoNaQgN