This is going to sound a bit drastic, but it might just be the quick fix that you're looking for.

Go to the BARS window and select the whole vocal track. Then go to EDIT - AUDIO EFFECTS - DISTORTION. In the SOFT DISTORTION dialog box select 6db of Pre-gain and push the output up to full (0db) Hit PROCESS.

It's not going to sound like a distortion pedal, but it's more like the effect you get by pushing the levels well into the red on a tape recorder. It will thicken the voice and give it more character whilst, at the same time compressing and raising the level.

If you don't like the result, hit UNDO.

ROG.