Wear a firm bra. The cabbage leaves are good because there the exact right shape for a boob and keep their coolness for a little while. There are tablets you can take to assist with drying up but I wouldn't recommend them. The worst should almost be over after a few days they should go down and you will be much more comfortable. As for expressing a little for comfort you can although I would try not to as any stimulation will stimulate you to produce it again. As for one been huge and the other not is that your DS favourite side? The side you feed of the most will be your most productive milk producer.