POOR ROAD HANDLING ON CURVE

its a sidekick not an indy car... they naturally corner horribly... if its gotten worse then normal, take it to a garage and just ask them to check it out, most garages dont charge very much at all for looking at a car. call around before hand although

my kick sport handles great!

This is called under-steer. Cars are designed to do this so you don't lose the back end instead and die. You can lessen it by lowering tire pressure, using sticker tires, and talking to someone who actually knows how to do a front end alignment and get them to make some tweaks for you.