If its truly bent you might need a new rim the only way to tell if you rim is bent or out of true .You will need to take the tire and tube off loosen all the spokes .And run over a flat surface.If it wobbles then ,you will need a new rim!I know it sucks and its not what you. Want to here i am going through the same thing, you might be able to adjust the spokes to.lessen the wobble so it wont touch the brakes .I am doing it right now. I crashed into a curbed flew off my bike gashed my head my hand and messed up my leg .I dont even know how it happen .I looked over the other side of the road .And the bike steered into the curb i must have hit a stone.But my bike was doing the same thing so i have been working. On it i got good enough not to hit the brakes but its a little but rough go slow .Instead of me telling you go to Youtube.And look up trueing .It would i got mine rideable but its not perfect.its slightly off a 1mm or 2mm .And good luck and get a good spoke key i didnt have one .And had to do it from the inside buy deflating the tire and fliping the bike over. And little buy little try to feel it straight and see it.It does take a bit of a time .Good Luck. I loom at it this way you probably cant make it any worse.And you get some know how.Good Luck!