The knife you have sounds fine, unless you have a particular reason why you think it isn’t ideal?
If you’re looking for another knife then there will be numerous criteria in determining what the best hunting knife is for you - such as the deer species you’ll be hunting, folder vs fixed blade, stainless vs carbon, custom vs off-the-shelf, etc.
The choice with knives is endless.
For example I can vouch for the fact that these are excellent:
shop.cuttingedgeservices.co.uk
But then so is this:
Sadly there are then millions more knife models in between, so we’ll ideally need a bit more info to help you select the best hunting knife for you.