Hey, I recognize that model of kindle! It’s the same as mine, a 4th gen non-touch. Have you ever thought of jailbreaking it to use koreader? I jailbroke mine and koreader is much nicer than the stock interface. Here is a good tutorial for this particular model (in comments, by spartanheavy): https://www.reddit.com/r/kindle/comments/1ipko3u/got_myself_kindle_4th_gen/
The site Techpir8 linked is distrosea, which lets you test Linux distros in a browser window (the Linux distros run on distrosea’s servers). No need for Ventoy.
Dual boot sucks because Windows likes to overwrite partitions critical to booting Linux without warning.
You could use Virtual Machine Manager (GUI frontend for QEMU/KVM, the most performant VM software on Linux). Here is a good guide on how to optimize the settings for a Windows 11 guest. I’ve used this guide to get SolidWorks, a CAD program, to work decent, so I assume other professional programs like Lightroom will run well too.
https://www.poptarts.com/en_US/products/all-flavors/pop-tarts-unfrosted-strawberry-product.html
Apparently, pop tarts without frosting are a thing… They are probably still really sugary even without the frosting.