Place it at the exact moment a choice is made in an edit, before a reaction lands. Follow it with a meme button for the payoff, or a game show buzzer when the choice is wrong, letting the tap set up the next sound instead of competing with it.
About this sound
This is a brief synthetic tap, lasting about a second, with a light click like choosing an item in a phone menu. It feels quick, familiar and practical, giving a small on-screen action a deliberate, polished finish without pulling attention away from what is happening around it.