Killed a Doe

This afternoon to have some meat for the winter. There was two large does in the field and one smaller doe(no spots but clearly a baby). The baby seemed to be keeping to one particular doe (not the one I shot) the entire time they ate ( about 20 min). I decided to go ahead and take the other doe. Dropped her with a neck shot. What I feel terrible about is the other large doe took off into the woods and the smaller fawn stopped at the edge of the field and stared at the lifeless doe in the field for like 15 seconds. I felt terrible ( thinking that this could have been its mother.) it continued to stare and then snorted and ran off into the woods after the other doe. I've always heard that fawns down south will hook up with other does and survive, but seeing that made me feel terrible for a minute.