You should try whatever technique you want to try out. It may just be for you. A lot of beginners start with DILD because WILD takes a lot of self awareness which most people don't have, but I'd say try what you want, give it a shot, you can always change if need be.

You have to stop putting so much focus on your swallowing and moving eyes. Your eyes will move, they always do, it's natural! And if you need to swallow, swallow and it will leave your mind. If you try and stop yourself, it will end up being all you think about, which isn't good. Make sure you aim for sleep, not for "Sleep Paralysis". Have a read of this thread to clear up any confusion that you may or may not have.

As nicromno said, check out Sageous' WILD Class, it's a great resource!