Cooking Chicken in Skillet? So Im paranoid when it comes to raw meat/undercooking stuff. Sometimes however I want to stick with something simple: IE chicken in a skillet w/ a simple glaze (like sesame/etc....)

However like I have no clue "How long" I should cook it to get a rough idea? 

Is there like a good way to tell by looking when chicken is cooked through?

I cook most stuff via cast iron skillet if that matters?
If you are paranoid about under-cooking meat, then use a digital probe thermometer and cook it to its safe temperature. No amount of timings or looking at the colour will give you the same level of certainty. They are available online for very little and are extremely handy; not only will you not under-cook your meat, but you will also avoid over-cooking it as well.