Oh sorry, I misunderstood. As it happened, your roll like mine was a miss anyway, so no real loss. You would have simply found a walker with 2 rolls of 3 and then we would have 2 zombies attacking instead of 1, so just as well I goofed up.
However, since you stated that you are willing to trade the torch, the next players can do a trade first before a search and perhaps get lucky! That's actually a good strategy at this point.
Hope they will gey