The following usage of
feed I came across in the
The vultures are circling. The sicker Maurice Fischer becomes, the more powerful Peter Browning becomes. I've had ample opportunity to observe Browning, adopt his physical presence, to study his mannerisms, and so on and so forth. Now, the first layer of the dream, I can impersonate Browning and suggest to Fischer's conscious mind. When we take him a level deeper, his own projection of Browning should – should feed that right back to him.
I've found two meaning of
to have an influence on the development of something by reacting to it in some way
to give information or opinions about something, especially so that it can be improved
And I have a trouble to understand which one is suitable in the context?
As far as I understand in feed that right back to him right is used to emphasize something, but I can't get the point what exact it emphasize.