The "rubbing alcohol" flavor you talk about is more prevalent in some than in others and, many times, that is predicted by the cost of the bourbon. Not that cost matters to flavor, but it's demand...the better/older/rarer bourbons cost more. One of the bourbons (and ryes) that I recommend to people new to bourbons is Woodford Reserve (or if you want to try a rye Woodford Reserve Rye). It's low cost (comparatively) both at the store and at bars. In fact, you can buy it at most Walmarts. Is a very smooth, easy-drinker with a lot of caramel and sweet and a short finish with almost no spice. You just have an uneducated palate which we ALL did at one point. Bourbons and ryes are a hobby of my wife and I and we travel just for that hobby. It didn't happen overnight by any stretch of the imagination. It came after we discovered that there was something out there other than a Jack and Coke, which it sounds like you are discovering right now.
I absolutely dislike Maker's Mark bourbon. By that I mean the cheap Maker's Mark that you tried. This weekend, however, I was thrilled when we were driving around and visited one of mom and pop liquor stores and they had been allocated ONE bottle of Maker's Mark Wood Finishing Limited Release 2023. It's the last of the Maker's Mark releases of this bourbon (2019 to 2023) and is said to be the best. We paid $72.99 for the bottle and felt blessed since we know people who have paid $149. It's very, very good. But I hate the cheap Maker's Mark? Do you understand? Distilling is an art, you have to try a bunch of them. That will both educate your palate AND help you find what flavor profile you really like. You won't get it on the cheap! LOL. I cringe at what we've spent but it's a hobby my wife and I share together so it's a blast.