Energy Transfer (ET 1.83%) is offering a very attractive yield of about 7.6% today. The broader market's yield is a miserly 1.3%, while the average energy stock's yield is around 3%. But dividend investors shouldn't jump on Energy Transfer just yet. This alternative, with a 6.9% yield, might end up being a better pick. Here's why.What does Energy Transfer do?From a big-picture perspective, Energy Transfer is a midstream business. That means it owns the energy infrastructure, like pipelines and storage asset ...