Go cans then. A neat way to reuse cans is you can turn them into little flower pots. Use them to grow your own mini spice garden in a window seal or something

Don’t necessarily know the packaging for dried beans in your area, but I know where I live the packaging is plastic. Metal packaging like cans are always going to be more environmentally friendly compared to plastic packaging. From my experience canned beans can be used for recipes that require dried, but they just take less cook time