Energy stock Kinder Morgan (KMI 0.64%) has a 6.5% dividend yield, which is well above the 1.4% you'd collect from an S&P 500 index fund. The investment-grade midstream giant has increased its dividend annually since 2018. There are clear reasons to like the stock, but that doesn't mean investors should buy it over other options.Here's why Kinder Morgan may not be the best dividend stock for you.Kinder Morgan should be a boring businessKinder Morgan is a midstream company, which means it owns pipelines, stor ...