I want to start carrying a snub nose revolver for Concealed carry but unsure which would be a better load regardless of model snub nose.

So which is a better round in a snub. 357 mag or 38 spl +P. I heard that 357 out of a snub nose pistol isn't any better than a 38 spl. because not all the powder has a chance to burn therefor making the 357 much weaker. What about a +P 38? Is that an Ideal round for the purpose of the weapon since the powder is "hotter" burning therefor more lethal than a 357 in the same role??? Plus I think Gold Dot Makes the short barreled rounds for snub in 38+p. Is that want I want?

Input much appreciated and sorry if I rabbled on. A lot to cover on.