Pushing all-in already? The BB is only 50 and you have about 1500 chips. Do you really need to raise all-in? If the blinds were up to 50/100, I understand. Here you have a lot of room to play some poker.

Raising him accomplishes a few things out of position. You might be able to end the hand pre-flop, you gain more information on his hand, and you gain the initiative in the hand incase he only has overcards or a small pocket.