There are various reasons why USDT.D will dump.
1st: It reached the critical resistence at 7.47% - 7.71%
2nd: It reached the mid term trendline resistance of the previous cycle to 8.10% at 7.67% now
3rd: It is staggeringly overbought for with 3 tries according to 1h RSI.
Short to 6.96%