With the pen tool still selected, after drawing your path, right click on the canvas and select "Stroke Path". You can choose color, pixel size, whether or not to simulate pressure, etc.
Is that what you meant?
Also, I recommend becoming familiar with the pentool.
How to use Photoshop's Pen Tool - Online Tutorial at Melissa Clifton page 1.
Pen Tool Tutorial by ~Jo-z on deviantART
Both very good to start with.