If I am using 50lb PowerPro braided line and get a good (6+) fish on, should I play her like I would normally or just muscle her in the boat as fast as possible??

If your fishing in heavy cover its a good idea to "horse" her out of the cover so she doesn't get all tangled in deep, but after you get her out you  should just use your judgment and keep good tension on the line so she doesn't throw the hook.