@vyznev nicely done! actually landing on a drone ship is a nice touch, haven't managed to do that myself (also I didn't try very hard).
of course you can make a badge if you like.
this is what they tried to do on the Falcon heavy core Stage landing. AFAIK this was the only attempt so far on a landing where 3 engines stay lit until touchdown. Usually, they do what eagle92lightning said:
but they actually use all 3 engines on the landing burn, it's just that the 2 outer engines cut off prematurely so final touchdown can be done more precisely on just the center engine.