This contraption requires trust
If you have more than 300 ksat (~$60) in a custodial wallet you'd be better off sending it to an easy non-custodial wallet such as Phoenix
If you have less than $60 just keep it in sats and don't worry too much if it dumps.
This is true for any stablecoin or bank account or even cash. They all require trust.
Fiat channels are a realistic solution as long as you trust the custodian.
kollider thing that is not even released yet plus the extra custodian on top.
Tron or elsewhere.
You probably do not know that transactions on TRON may be failed or reverted.
Also why Taro is better than native synthetic asset already available.