Well, right now........
The last 5 years or so, I've been carrying a Ruger SP101, .357 magnum,
2.25", every day.
I also sometimes instead carry a Ruger GP100, 3", ,357 magnum. Usually they are loaded with 145gr. Silvertips.
I never feel under-gunned with either. I c'n do what needs to be done with them.
I, in the past, carried a .45acp Colt 1991A1 Commander, for a few years.
Before that it was a Makarov 9mm Mak, a few years.
Before that it was a Taurus model 85, 2", .38 special.
The main thing with each weapon you carry, is to know your gun, know your load. Know you can hit your mark, with enough power to do the job.
After that's covered, don't fret about it.