Using the Pen Tool In Photoshop to Draw a Clean Dashed Curvy Line

Wait...there's a pen tool in Photoshop?  Which icon is that?

This video on YouTube shows how to draw a dashed line in Photoshop: https://www.youtube.com/watch?v=rr5WTYShltI

I have Photoshop CS6 and the directions worked.  I'm really not good, yet, at using the pen tool but it is the best way that I (now) know to draw a curvy line that doesn't look like a 1-year-old drew it.

Here is the image I used it on today for the library website:

P.S. I had to look up if "drew" is the correct past tense of "draw" because it didn't sound right in my head.  Turns out that it is correct.  https://www.quora.com/Which-is-the-correct-past-tense-of-draw-drew-or-drawn-and-why