There's more to this stock than just its high payout.Finding a quality dividend stock can be hard these days. Economic conditions aren't ideal and if you're not careful, relying on a risky dividend with a high yield can spell disaster for your recurring income if rates are cut unexpectedly.If you're looking for a dividend stock to build your portfolio around or just want a high yield to add, one excellent investment to consider is Realty Income (O -0.48%). The real estate investment trust (REIT) can tick of ...