Prize money from the US is not taxable. But you also can't claim any taxes paid on the money, either.

Thanks but I would still need to declare it as foreign income I assume I'm considered a resident of Canada for tax purposes.

I have doubts bc I have no idea how to do this with TurboTax free version as I do not want to pay for the more expensive options.

Lottery winnings are generally not taxable in Canada, unless the prize can be considered income from employment, a business or property, or a prize for achievement.

But you can double check with the Canada Revenue Agency (CRA) and confirm it with them. 

If you are in Canada or the United States, you can call the CRA at 1-800-959-8281. If you are elsewhere, you can call 613-940-8495. This page has more ways to contact the CRA: Contact the Canada Revenue Agency

If you do have to report it, foreign income requires TurboTax Do It Yourself (Online) Premier or better, or TurboTax Desktop, so you would have to pay to prepare your return.