No, he is not the only one. Lee as the incumbent is polling at 41% and the race is within the margin of error. That’s cause for concern...though time will tell if it is founded.
The Democrats did not nominate a candidate in Utah. An “independent” (Evan McMullin) is running that they endorsed and declined to run their own candidate - the reality is that much of the GOP in Utah is anti-Trump. The strategy is to get them to vote against Lee to stick it to Trump and that they can stomach voting for an “independent” rather than a Democrat.
Got amy more obvious trolling to do?