Sketch and InVision are two important tools in the UX space, but I recommend taking a look at Adobe XD that is pretty interesting. It's free and has a cool tutorial to get you started.
As Alwyn said above, don't forget that UX has a huge component of strategy: competitive analysis, ethnographic studies, usability & concept testing are some example of a typical, structured "discovery" phase that just a few UX designers can do. And if you don't like coding, this could be an interesting angle for you.
UX Strategy can extend to the definition of personas, journey maps. gap analysis, value props, user stories, briefs and functional requirements. If you're not sure how all these things come into play check this article I wrote and please let me know if it's helpful or if you have additional questions.
Federico recommends the following next steps:
- Learn how to use Adobe XD
- Explore and understand the strategic side of UX