Hep c infected blood must enter the blood stream of an uninfected person. It is a blood borne infection and is not transmitted by casual contact.
Per the CDC
“What are ways Hepatitis C is not spread?
Hepatitis C virus is not spread by sharing eating utensils, breastfeeding, hugging, kissing, holding hands, coughing, or sneezing. It is also not spread through food or water.@
There is no risk associated with what you have discribed so no you are not at any risk.