Yes Ukraine proved too resistant so now he’s staked his bets on Middle East (albeit in different format) with Iran and Assad in Syria.
He won in the Ukraine -- look at how Sakaashvili was exiled recently
With the Middle East, Putin's game is multi-fold:
Russia's ultimate goal remains what it has been since 1453 - conquering Constaninople -- remember that even avowedly anti-Christian Tukachewsky wanted to conquer Constantinople -- it is so ingrained in Russian psyche that it can't be removed