I won't tell you what to do, but I can share my recent experience.
I just returned from a two week mission trip where I couldn't carry. I do carry 24/7 when I can at home.
It was an out-of-the-country trip, so there was no carrying a gun.
I carried a flashlight only, since a knife was also out where I was. Awareness is your #1 tool, no matter what weapon you have. Your mindset is #2 - be ready and willing to act decisively. Any tools you have are priority #3.
Nothing happened to me. A couple of times, people came running up behind me in a dark alley. This was Europe, so this is normal. All that they have for streets are dark alleys, and everyone gets around by foot. Not too unlike New Orleans! However, I would always turn around and look them in the eye. The people would always steer around me while running past. Who knows if they were planning something, but I felt like this was a deterrent if they were.
On a side note:
Personally, I think that it was worthwhile to serve my Lord while accepting personal risk, and letting go of a little control in my life (kind of the point of a mission trip anyway!). Not only was it worthwhile, it was a great blessing. Those people who won't go anywhere without a gun are missing out on some great things in life because they can't accept risk, and can't accept that they are not always in control of the situation. That said, I carry everywhere I can, but it doesn't control me.
Thanks for serving the Lord and others! And stay safe.