I once read that some people who are blind from an early age, as they get older, start to click their tongue, but often those around them (parents, siblings, etc.) will discourage them. Thing is, that clicking can actually be used to develop a type of vision that operates similarly to echo location in cetaceans (whales, dolphins, etc.) – it comes about because the child realizes that if they make a sharp sound, they…
Learning to click to understand what is around you is, IMO, a viable thing to look into for your kid and decide if you want to undertake that training. Daniel Kish is the name of the guy most famous for it and would be a decent place to start looking.
An amusing anecdote and a bit of blind throwing shade a blind: https://youtu.be/u-7w3m7fhl4?t=326