First, pick your value system. A century and a half ago, farmers and free-lance craftsmen were still the majority, and glad to not be "wage slaves." There are still hunter-gatherers who think that farming is unholy.
Also, there are business owners who do nothing but squeeze their employees and suppliers and victimize their customers to skim off profits, and others who see themselves as facilitators, to keep everyone happy, including the heirs of their influence. Some businesses are huge, and others barely exist except on tax forms.
We would also have to know a lot more about you than your business ownership status to pass judgement by any value system.
If you want to be content, try paying complete attention to your breathing. When the inner space seems bigger than the outer space, things feel very, very OK.