I did some further testing and Quick Export only saves Copyright and Contact Info to the file metadata. Ratings, Color Label, keywords, etc. are not saved to the Quick Export output file. If you want that metadata to be included in the JPEG output file I suggest downloading the Image Processor Pro 3.2b5 script and install it. It has much more features and capability than the PS Image Processor. Just make sure Keep Original File is checked as shown below. If not it will permanetly delete the original file from your hard drive with no Recycle bin or trash folder recovery possible.
EDIT: Added link. https://sourceforge.net/projects/ps-scripts/files/Image%20Processor%20Pro/v3_2%20betas/
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