Should i go with him?!?

so im a freshman and my homecoming dance is coming up soon. some how im going with this one guy to the dance, but he nvr actually asked me! (its a long, confusing story!) i really dont like him that much hes really not my type, but ive just met him. we've only been going 2 skool 2gether for about a month now(personally i think hes kinda ugly!)(and i feel bad saying that!) anyway......ugh!!!!! this is really buggin me! plz help! do u think i should just go with him? or do u think i should tell him i dont wanna go with him and try to get somebody else to ask me?