Roots Growing Out the Bottom of Pot

One of my plant's roots are growing out the bottom holes of the pot (about 3 gallon tidy cat). Otherwise the plant looks good: 6 plus weeks into flower, 35 inches tall (I started 12-12 at 11.5 inches: about 32 days from planting seed; I have height limitations); the trichomes are nicely dense mostly cloudy; hairs are about 50% orange.

It's under a 400hps, watering every 3-4 days; FFOF, fox big bloom and cha ching every other watering according to their schedule, 1tbs of molasses every other, non-fertilizing watering.

While thick with trichomes, the buds seem a bit slight (which I expect still at 6 plus weeks flowering).

Should I be worried? Should I do anything?

Personally, I think you'll be fine. Plants often have roots that grow out of the bottom of a pot if the plant has a lot of roots and not enough pot. Carry on as usual and you'll probably be fine.

You will be fine, if it starts to get too big then you may need to transplant.

This is perfectly normal, and nothing at all to worry about. I definately wouldn't advise transplanting at this stage. It would be pointless and counter-productive.