Learn English – the meaning of “All i need” in the following sentence

In this context, way = direction, so it means we sent ten cans of yams in his direction, towards him.

It's an informal idiomatic expression which can always be replaced by to [whoever], but sometimes that underlying "literal" meaning imparts a slight nuance. For example, you might be slightly more inclined to use it if you're diverting something that would otherwise have been sent somewhere else. Or if the recipient/location/route you're sending it to/through is somehow "non-standard" for the thing being sent.

The -er- has the hyphen (-) around it to show the break in the speaker's words. They stop saying anything that has meaning for a moment, but they are thinking about what they will say to continue the thought.

It means they are stuck for the moment, but are going to continue the sentence as soon as they decide what to say next.