Automatic transmission, correct? Manual stuff does't use a dipstick. It should be behind the passenger side cylinder head if it is a V-8. Look at the firewall on the pass. side.
If you have little fingers like me, you can put your little finger in the hole and bend the joint down. If you get fluid on the tip of your finger, the level is adequate. If not, add fluid to the same hole until it just begins to run out the hole.