I didn't know that TRX had use cases apart from USDT/TRC20, are you using that blockchain for other uses like DEX, smart contract bridges or anything.
Yes, I am using TRX for staking using a wallet known as Tronlink, If you want to know the benefits of holding TRX on that wallet then please check this
article. TRX is a hidden crypto that did not have any hype until the day it got pumped in the recent bull run. It is a hidden gem that is better than other native tokens of a blockchain, it did not get any hype because Tron blockchain does not have any big projects within its ecosystem.