Thank you for sharing your dream with us. Please take everything that I share to the Holy Spirit as He Alone gives the accurate interpretation.
The monkey figure in a dream is quite tricky and I am trying to fully understand it myself as I have had about two dreams where this figure featured.
In the context of your dreams, perhaps the monkey represents the spirit of mockery, primarily and secondarily, mischief. You did the right thing by throwing it into a pit. Continue to claim Jeremiah 54:17.