Grabbed a few of the flow control ball lock QD from Morebeer. Party tap, 3 ft of 4x8 mm line, and 12 psi. Worked really well, no issues with foaming. I’d highly recommend these rather than fussing with having the right length of line.
https://imgur.com/gallery/6GE8gg0
Video of it in action.
https://www.morebeer.com/products/duotight-flow-control-ball-lock-quick-disconnect-qd-beverage-8-mm.html