We're always favorably inclined towards the drifter walking the earth archetype, and we are rather partial to the free spirit of chaotic neutral and we've had a couple of ranger-based characters (one was a horizon tripper) in 3.5 D&D.
Sort of working out the kinks in what we'd most love to pair with a more LN interpretation of a ronin, we imagine ToB would be all but necessary to do it right.